300 ford..ported 240 head..just found out it has 7-1 compression..ran 14.02 in my 62 falcon...1.83 60ft time...motor is at machine shop getting balanced and new dome top pistons to get compression up to 11.5-1..any questions p.m me

300 ford..ported 240 head..just found out it has 7-1 compression..ran 14.02 in my 62 falcon...1.83 60ft time...motor is at machine shop getting balanced and new dome top pistons to get compression up to 11.5-1..any questions p.m me

I'm curious how the CR ended up so low w/a 240 head on the 300? Was it set up to run boost maybe (dished pistons)?

I read an article back in the 70s about cutting up a set of cleveland heads and furnace brazing them back together.I would hope by now someone just made new castings from Al. I doubt enough racers would buy the heads though,probably not worth it with all the better technology available now. BMW still uses an inline 6.
what ever happened to the GM over head cam 6 offered 10 years ago?

I'm curious how the CR ended up so low w/a 240 head on the 300? Was it set up to run boost maybe (dished pistons)?

Anyway, good ET all things considered!

using a 240 piston on a 300 crank with a 6.209 rod and a flat top gives it 7.5-1..depending on cc of head, i have not had them cc yet, but they do have 1.94 or 2.02 intake valves, g-pa ported the head years ago, i just bought some 351w pistons with a 5 cc dome, that will put it between 11.5--12 to 1

first time out i had a lot of issues, shifter is a pos..way to big 800 Holley, then found that the throttle was only about 3/4 open, cause the pedal bent...and radiator was to small so it got to warm for me, all these bug have been fixed, it will run mid 12s next time out, tranny is a built rollerized c4 with brake..9 inch with 4.56 gears, .560 lift solid cam and crane 1.6 roller rockers..just got a 650 proform carb

ups says my pistons will be here tomorrow, then to machine shop to get balanced..changed carbs to a proform 650, fixed throttle cable..just wish i know the rpm range of cam..has 560 lift and is solid i all i know

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